It's a pretty normal situation. even with a 1-2m jumper I see light levels that are well below the maximum rx levels for 10km optics. e.g. the max might be .5 and the actual readings are -1.4 - -2.7. our WDM terminals sit in the the adjacent racks to the pop routers so they're all like that.
ER/ZR is another matter. On Oct 19, 2013, at 7:33 PM, Chris Costa <ccosta92...@gmail.com> wrote: > What are the opinions/views on attenuating short, 1310nm LR cross-connects. > Assume < 20m cable length and utilizing the same vendor optics on each > side of the link. Considering the LR transmit spec doesn't exceed the > receiver's high threshold value do you pad the receiver closer to the > median RX range to avoid potential receiver burnout over time, or just > leave it un-padded? > > Thanks >
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